Piston Rings for 1992-1993 Sea-Doo GTX 580 - 1mm - 77mm - Replaces 420815080, 290815070, 290815080

Replacement piston ring set for Sea-Doo 580 engines, sized for 1mm oversize pistons and cylinders. Worn rings lead to low compression, loss of power, hard starting and increased oil consumption. A fresh set of rings restores the seal between the piston and cylinder wall.

Pro-X is a well-established piston and ring manufacturer producing OEM-quality replacement parts for powersports engines.

Product Details

• Part Type: Piston Rings
• Size: 1mm oversize
• Bore Diameter: 77mm
• Brand: Pro-X

Before You Order

Measure the cylinder bore before ordering to confirm the correct size. Oversize pistons and rings require the cylinder to be bored and honed to suit, and piston-to-wall clearance should be checked by your machinist. Always check ring end gap before installation.